Prisma

Shouldn't the first example also return `[11,55]` ?

Not sure what's going on but I guess that's another reason to always specify the radix as told here <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt> :slightly_smiling_face:

Here's why it fails <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map#Tricky_use_case>

Yup `Array.map` runs the callback with two  arguments, val, positionInArray, and `parseInt("55", 1) returns NaN

The actual problem is "11::55".split(':') returns
` ["11", "", "55"]`

Or actually, no. Strike that. `["11",  "55"].map(parseInt)` doesn't work either. My bad.

Thanks all :slightly_smiling_face: Even though shortly after I posted this, I found out the reason why.. its interesting to see that this very specific problem is listed under tricky use cases for map in mozilla docs